天堂VA视频一区二区_色卡网站PROC免费_国产真实乱了露脸在线观看_变态拳头交视频一区二区_国产精品无码A∨精品影院APP_亚洲国产精品无码久久_成年无码AV片在线_亚洲欧美综合国产不卡

酸酐是某含氧酸脫去一分子水或幾分子水,所剩下的部分。一般無(wú)機(jī)酸是一分子的該酸,直接失去一分子的水就形成該酸的酸酐,其酸酐中決定酸性的元素的化合價(jià)不變。而有機(jī)酸是兩分子該酸或多分子該酸通過(guò)分子間的脫水反應(yīng)而形成的。只有含氧酸才有酸酐。無(wú)氧酸是沒(méi)有酸酐的。

按化學(xué)元素
Bx
Cx
Nx
Ox
Fx
Six
Px
Sx
Clx
Brx
Ix
按關(guān)鍵基團(tuán): 二酐 (4) 二酐 (3)
按純度: 99+% 99% 98+% 98% 97+% 97% 96+% 96% 95+% 95% 93% 90+% 90%
按分子量: 0-100 100-200 200-300 300-400 400-500 500-600 600-700
按化學(xué)元素: CINO CKNOS CBrNO CClFO COS CBO CClNOS CBrO COSi CBrOS CNO CBrFO CFNO CNOS CBrNOS CO CKOS CClNO CBrFNO CFO CClO CIO 更多
清空選項(xiàng)
6054-16-6 3-Oxabicyclo[3.2.1]octane-2,4-dione
BD2368766054-16-698%
¥4800.001g常備現(xiàn)貨
32703-79-0 5-(tert-Butyl)isobenzofuran-1,3-dione
BD1389432703-79-095%
¥426.005g常備現(xiàn)貨
55974-25-9 7-Methoxy-4,4-dimethylisochroman-1,3-dione
BD1389555974-25-995%
¥347.001g常備現(xiàn)貨
6708-37-8 3a,4,7,7a-Tetrahydro-4,7-ethanoisobenzofuran-1,3-dione
BD2151846708-37-897%
¥172.005g常備現(xiàn)貨
97928-01-3 7-(Trifluoromethyl)-1H-benzo[d][1,3]oxazine-2,4-dione
BD23787497928-01-395%
¥501.001g常備現(xiàn)貨
652-40-4 4,7-Difluoroisobenzofuran-1,3-dione
BD10775652-40-498%
¥924.001g常備現(xiàn)貨
18959-30-3 4,5-Difluorophthalic Anhydride
BD1077618959-30-398%
¥385.005g常備現(xiàn)貨
17347-61-4 2,2-Dimethylsuccinicanhydride
BD4137317347-61-498%
¥49.005g常備現(xiàn)貨
4100-80-5 3-Methyldihydrofuran-2,5-dione
BD1399634100-80-598%
¥110.0025g常備現(xiàn)貨
652-39-1 4-Fluoroisobenzofuran-1,3-dione
BD10809652-39-197%
¥143.0010g常備現(xiàn)貨
319-03-9 5-Fluoroisobenzofuran-1,3-dione
BD10810319-03-997%
¥47.001g常備現(xiàn)貨
142826-45-7 3-(Octa-2,7-dien-1-yl)dihydrofuran-2,5-dione
BD44023142826-45-797% (stabilized with TBC)
¥1436.005g常備現(xiàn)貨
781-94-2 6-(Trifluoromethyl)-1H-benzo[d][1,3]oxazine-2,4-dione
BD643251781-94-297%
¥2308.001g常備現(xiàn)貨
28418-88-4 4-Iodoisobenzofuran-1,3-dione
BD23830828418-88-497%
¥62.001g常備現(xiàn)貨
34087-02-0 4-Nitrobenzo[de]isochromene-1,3-dione
BD4861234087-02-097%
¥586.005g常備現(xiàn)貨
849677-21-0 5-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)isobenzofuran-1,3-dione
BD562001849677-21-097%
¥682.001g常備現(xiàn)貨
78755-94-9 5-Fluoro-1H-benzo[d][1,3]oxazine-2,4-dione
BD1085078755-94-996%
¥230.001g常備現(xiàn)貨
5443-16-3 17-Oxapentacyclo[6.6.5.0(2,7).0(9,14).0(15,19)]-nonadeca-2,4,6,9,11,13-hexaene-16,18-dione
BD3189775443-16-395%
¥1108.00250mg常備現(xiàn)貨
1466-82-6 2-Acetoxybenzoic anhydride
BD168261466-82-695%
¥350.001g常備現(xiàn)貨
63497-60-9 8-Chloro-1H-benzo[d][1,3]oxazine-2,4-dione
BD16844063497-60-995+%
¥837.005g常備現(xiàn)貨
195986-91-5 6-Hydroxy-1H-benzo[d][1,3]oxazine-2,4-dione
BD10916195986-91-597%
¥91.001g常備現(xiàn)貨
5617-74-3 3-Oxabicyclo[3.1.0]hexane-2,4-dione
BD886925617-74-397%
¥306.0025g常備現(xiàn)貨
321-50-6 7-Fluoro-1H-benzo[d][1,3]oxazine-2,4-dione
BD110583321-50-697%
¥74.001g常備現(xiàn)貨
716-39-2 Naphtho[2,3-c]furan-1,3-dione
BD14340716-39-295%
¥394.0025g常備現(xiàn)貨
73819-76-8 5-Ethynylisobenzofuran-1,3-dione
BD9705473819-76-898%
¥1807.005g常備現(xiàn)貨
623-66-5 Octanoic anhydride
BD143824623-66-595%
¥221.0025g常備現(xiàn)貨
2051-76-5 Acrylic anhydride
BD1126042051-76-598% (stabilized with MEHQ)
¥58.005g常備現(xiàn)貨
2561-85-5 3-Dodecyldihydrofuran-2,5-dione
BD1440662561-85-598%
¥209.005g常備現(xiàn)貨
40928-13-0 7-Chloro-1H-benzo[d][1,3]oxazine-2,4-dione
BD562840928-13-097%
¥158.0010g常備現(xiàn)貨
4743-17-3 6-Chloro-1H-benzo[d][1,3]oxazine-2,4-dione
BD56294743-17-397%
¥60.005g常備現(xiàn)貨
1 2 3 4 5 6 7 8 9 ... 23